Which to use
“segundo” and “seguro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #174
- “segundo” frequency rank
- #1,410
- “seguro” frequency rank
- 1584
- confusion score
Side-by-Side Comparison
| Feature | segundo | seguro |
|---|---|---|
| Definition | ordem de um elemento em um conjunto, que ocupe a posição equivalente ao número dois | na ausência de perigo ou risco |
Where the eye mixes segundo and seguro
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. segundo runs 7 letters (CVCVCCV) against seguro's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between segundo and seguro
A purely visual mix-up. segundo (/sɨ.ˈɡũ.du/) and seguro (/sɨ.ˈɡu.ɾu/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 1584, derived from the frequency rank of both members and their visual similarity.
segundo is recorded at frequency rank #174, classified as anadj, pronounced /sɨ.ˈɡũ.du/. seguro is at rank #1,410, tagged as anadj, pronounced /sɨ.ˈɡu.ɾu/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 1584, this pair ranks #73,958 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of segundo vs seguro
Shared letters: egosu. Private to "segundo": dn. Private to "seguro": r.
"segundo" · 7 letters · shape CVCVCCV · "seguro" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "segundo" and "seguro" mean the same thing in a sentence?
Which is more common, "segundo" or "seguro"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "segundo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "seguro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #73,958 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "segundo" and "seguro" also get mixed up with nearby pairs, the highest-scored neighbour is "saguão vs seguro". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #73,958 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.